Kemper Center for Home Gardening
The William T. Kemper Center for Home Gardening offers expert insight and a variety of services to help you achieve your gardening goals. Get inspired with a walk through our 23 demonstration gardens and take advantage of the horticultural expertise provided by specially trained Master Gardeners.

Horticulture Answer Service
Master Gardeners provide personalized answers to your specific phone-in gardening questions, 9 a.m. to noon, Monday through Friday. Call (314) 577-5143.

Plant Doctors
Bring in a sample of your sick plant and let the Master Gardeners at the Plant Doctor desk diagnose your problem and provide treatment recommendations. This is a walk-in service from 10 a.m. to 3 p.m., Monday through Saturday. Service is free with Garden admission. Try to include leaves and flowers representative of the entire plant.

Email Questions
Email your gardening questions to Please allow up to 7 business days for a reply. Alternatively, you may call our Horticulture Answer Service.

St. Louis Master Gardeners
The St. Louis Master Gardener Program was established in partnership with University of Missouri Extension to provide horticultural education and outreach into the St. Louis Community through training volunteers to educate the gardening public. Learn more at

Plastic Pot Recycling
To date, the Garden’s innovative program has saved over 1 million pounds of plastic garden pots, cell packs and trays from landfills by turning discarded plastic gardening pots and trays into timbers for building retaining walls and more.